Multi-step reaction with 9 steps
1.1: tri-n-butyl-tin hydride / 2,2'-azobis(isobutyronitrile) / toluene / 6.5 h / Heating / reflux
2.1: water; acetic acid / 10 h / 0 - 20 °C
3.1: di-isopropyl azodicarboxylate; triphenylphosphine / chloroform / 10 h / Heating / reflux
4.1: potassium carbonate / N,N-dimethyl-formamide / 17 h / 20 - 110 °C
5.1: di-isopropyl azodicarboxylate; triphenylphosphine / tetrahydrofuran / 0.25 h / -15 °C
5.2: 12.5 h / -15 - 20 °C
6.1: hydrogenchloride / 3 h / 0 - 20 °C
7.1: silver(l) oxide / N,N-dimethyl-formamide / 14 h / 20 °C
8.1: 2-hydroxypyridin; N-ethyl-N,N-diisopropylamine / dichloromethane; N,N-dimethyl-formamide / 20 - 70 °C
9.1: triphenylphosphine / methanol; water / 20 °C
With
2-hydroxypyridin; hydrogenchloride; di-isopropyl azodicarboxylate; water; tri-n-butyl-tin hydride; potassium carbonate; acetic acid; N-ethyl-N,N-diisopropylamine; triphenylphosphine; silver(l) oxide;
2,2'-azobis(isobutyronitrile);
In
tetrahydrofuran; methanol; dichloromethane; chloroform; water; N,N-dimethyl-formamide; toluene;